TW201912965A - Shaft-less hinge wherein arc-shaped sliding slots are provided to replace the physical shaft so as to realize shaft-less rotation - Google Patents

Abstract

The present invention provides a shaft-less hinge, which is applied to a smart device. The shaft-less hinge includes: a base, a rotating body and a sliding block assembly. The base includes a bottom and two side walls, and each of the two side walls is provided with a first sliding slot and a second sliding slot. The rotating body includes an upper cover and two extending portions. The upper cover is connected with a foot stool plate of the smart device. The extending portion is provided with a first shaft hole and a stopping member, and the stopping member is locked and fastened in the first sliding slot, so as to allow the rotating body to perform a rotational displacement movement along the first sliding slot. The sliding block assembly includes a linkage member, a first bearing and a second bearing. The linkage member has a second shaft hole and a third shaft hole. The first bearing passes through the first shaft hole and the second shaft hole. The second bearing passes through the third shaft hole and is locked and fastened in the second sliding slot. Through the aforementioned structure, when the rotating body performs the rotational displacement movement, the smart device can be vertically placed on the table top and, at the same time, the second bearing is driven to perform a linear displacement movement along the second sliding slot. At this moment, the linkage member provides a supporting force to assist in fixing the foot stool plate at any arbitrary angle.

Description

Non-axis hub

The invention relates to a shaftless hub, in particular to a technology for simplifying a pivot structure and replacing a solid axis with a circular arc chute to realize a solid shaft rotation.

For the pivot of the current notebook computer, most of them are used in the opening and closing of the screen and the keyboard main body, so there is a need for the opening and closing angle from 0 degrees to 180 degrees or to 360 degrees. There are many related papers in this respect. Patented research, such as the rotary shaft device disclosed in the Chinese Patent No. 201608141, which transmits through the two rotating shaft device and a guiding linkage, and can maintain the axis of the other rotating shaft while rotating the rotating shaft The center point is located between the two ends of the guiding linkage, so that the angular velocity of the first rotating shaft around the second rotating shaft is equal, and the upper and lower covers can be placed on the same plane when the 360 degree opening and closing is completed, and the rotation process is smooth and not easy to get stuck. Etc.

However, for a notebook computer that is similar to a tablet computer (such as the Microsoft surface pro 4 published by Microsoft Corporation), the keyboard main body is greatly simplified, so that the opening and closing of the screen and the keyboard main body do not require high singularity requirements. On the contrary, the pivotal structure here is mostly used in the support frame of the support screen. For such a requirement, the requirements for the pivotal structure are simple structure and the hinge can be completely hidden in the machine without being exposed, and it is not necessary to reach 180 degrees. Meet the requirements of synchronous rotation.

Or for smart devices such as smart phones and tablets, which have the requirements of thinness and keyboard digitization, so the structure does not include keyboards, tripods, etc., when the user wants to place them on the table, It is usually necessary to purchase an additional tripod.

The main purpose of this creation is to provide a tripod hub with a simple structure and low manufacturing cost for a smart device or a tablet type notebook computer. With the spirit of excellence, the invention has finally been developed through continuous trial and effort.

In order to achieve the above objectives, the present invention is achieved by the following technical means, wherein the non-axis hub of the present invention is applied to a smart device disposed at a back cover of the smart device, the shaftless The heart hub includes a base, a rotating body, and a slider assembly. The base includes a bottom portion and two side walls. The two side walls respectively extend from the bottom edge in a first direction. The two side walls respectively have a first sliding slot and a second sliding slot. The rotating body includes an upper cover and two extending portions, and the upper cover is connected to a tripod plate of the smart device, and the extending portions respectively extend from the edge of the upper cover in a second direction, the extending portion has a first A shaft hole and a stopping member are engaged in the first sliding slot to enable the rotating body to perform a rotational displacement movement along the first sliding slot. The slider assembly includes a linkage member, a first bearing and a second bearing, the linkage member has a second shaft hole and a third shaft hole, the first bearing passes through the first shaft hole and the second The shaft hole is configured to pivotally connect the rotating body and the linking member, and the second bearing passes through the third shaft hole and is locked in the second sliding slot. Wherein, when the rotating body performs the rotational displacement movement, the second bearing can simultaneously drive the linear displacement movement along the second sliding slot.

In a preferred embodiment of the present invention, the first bearing is a bolt and is locked with a nut, and the first bearing adjusts the tightness with the nut to adjust the rotating body to perform the rotational displacement. Rotational resistance during exercise.

In the preferred embodiment of the present invention, the side wall has a positioning member for adjusting the rotation resistance of the rotating body during the rotational displacement movement, wherein the positioning member is a stop screw assembly.

In a preferred embodiment of the present invention, the upper cover includes a screw assembly for connecting the upper cover and the stand plate.

In the preferred embodiment of the present invention, the shaftless hub is formed by a sheet metal stamping type.

In the preferred embodiment of the present invention, the first chute is a curved chute, and the second chute is a linear chute.

In the preferred embodiment of the present invention, the smart device is a tablet computer or a mobile phone.

In order to achieve the above objectives and effects, the technical means and structure adopted by this creation are described in detail in the preferred embodiment of the present creation. The features and functions are as follows, and the full understanding is made, but it should be noted that the contents are not It constitutes a limitation of the present invention.

Please refer to FIG. 1 , 2 and 3 at the same time, which is a schematic structural view, an exploded perspective view and a schematic diagram of the use of the preferred embodiment of the creation of the shaftless hub. The shaftless hub 1 of the present invention is applied to a smart device 5, which can be disposed at a back cover 51 of the smart device 5, and two symmetrical grooves 53 are designed on the back of the smart device 5, and Two sets of non-axis hubs 1 are respectively inserted into the grooves 53. The shaftless hub 1 includes a base 2, a rotating body 3, and a slider assembly 4.

The base 2 includes a bottom portion 21 and two side walls 22. The two side walls 22 extend from the edge of the bottom portion 21 in a first direction, and the two side walls 22 respectively have a first sliding slot 221 and a second sliding slot 222. In this embodiment, the first sliding slot 221 is a curved sliding slot, and the second sliding slot 222 is a linear sliding slot.

The rotating body 3 includes an upper cover 31 and two extending portions 32. The upper cover 31 is connected to the tripod 52 of the smart device 5. The two extending portions 32 are respectively in a second direction from the edge of the upper cover 31. The extending portion 32 has a first shaft hole 321 and a stopping member 322. The stopping member 322 is locked in the first sliding slot 221, so that the rotating body 3 can be along the first sliding slot 221 Make a rotational displacement motion 91.

In an embodiment, the upper cover 31 includes a screwing assembly 311 for connecting the upper cover 31 and the stand plate 52 such that the stand plate 52 is configured with the rotating body 3 The rotational displacement motion 91 is rotated to stand the smart device 5 on the table top.

The slider assembly 4 includes a linking member 41, a first bearing 42 and a second bearing 43. The linking member 41 has a second shaft hole 411 and a third shaft hole 412. The first bearing 42 passes through the The first shaft hole 321 and the second shaft hole 411 are configured to pivotally connect the rotating body 3 and the linking member 41 to each other. The second bearing 43 passes through the third shaft hole 412 and is fastened to the second sliding slot. Within 222. When the rotating body 3 performs the rotational displacement motion 91, the second bearing 43 can simultaneously drive the linear displacement movement 92 along the second sliding slot 222.

In an embodiment of the present invention, the first bearing 42 is a bolt and is locked with a nut 421. The first bearing 42 adjusts the tightness locked with the nut 421 to adjust the rotating body 3. The rotational resistance when the rotational displacement motion 91 is made.

In an embodiment of the present invention, the side wall 22 has a positioning member for adjusting the rotational resistance of the rotating body 3 when the rotational displacement motion 91 is performed. Preferably, the positioning member can be a stop screw assembly, including a screw hole and a stop screw, the stop screw can be locked into the screw hole and abut against the extending portion 32, and the rotating body 3 is adjusted The rotational resistance when the rotational displacement motion is 91.

In an embodiment of the present invention, the shaftless hub 1 is preferably made of a sheet metal stamping type, and the sheet metal stamping has the characteristics of economical materials and less waste, and the production efficiency is high, and the manufacturing cost can be greatly reduced. .

With the above structure and composition design, the following is the use and operation of this creation:

Please refer to FIG. 4A to FIG. 4C at the same time, which are schematic diagrams 1 to 3 of the operation of the preferred embodiment of the creation of the shaftless hub. When the rotating body 3 and the base 2 are closed, the rotating body 3 is buried below a horizontal line of the upper edge of the base 2. When the rotating body 3 performs the rotational displacement motion 91, the second bearing 43 is simultaneously driven to perform the linear displacement motion 92 along the second sliding slot 222. At this time, the linking member 41 provides a supporting force to help provide the supporting effect of the rotating body 3 at any position (rotation angle). Wherein, when the rotating body performs the rotational displacement movement, the upper cover and the horizontal line have an opening angle θ, and the maximum value of the opening angle θ is determined by the length and size of the first sliding slot 221 and the stopping member 322. Or size to decide. By changing the length of the first sliding slot 221 or changing the size or size of the blocking member 322, the maximum value of the opening angle θ of the rotating body during the rotational displacement movement can be adjusted, and the application can be different according to the actual situation. .

Therefore, please refer to all the drawings. When using this design, compared with the conventional technology, the following advantages exist: (1) This creation provides a shaftless hub without components such as a central shaft and gears. The overall volume of the hub unit. (2) The shaftless hub of this creation uses the chute element to achieve the shaftless rotation mechanism, and the integral component can be made by sheet metal stamping type, which has the advantages of less parts and low cost.

Through the above detailed description, it can fully demonstrate that the purpose and efficacy of this creation are both progressive and highly industrial, and it is a new creation that has never been seen before on the market, and fully meets the requirements of the invention patent. , 提出 apply in accordance with the law. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the embodiments and the scope of the present invention. Those skilled in the art should be able to Combinations of equivalent substitutions and obvious variations are intended to be included within the scope of the invention.

1‧‧‧Axis-free hub

2‧‧‧Base

21‧‧‧ bottom

22‧‧‧ side wall

221‧‧‧First chute

222‧‧‧Second chute

3‧‧‧Rotating body

31‧‧‧Upper cover

311‧‧‧ screw assembly

32‧‧‧Extension

321‧‧‧First shaft hole

322‧‧‧stops

4‧‧‧ Slider assembly

41‧‧‧ linkages

411‧‧‧Second shaft hole

412‧‧‧ Third Axial Hole

42‧‧‧First bearing

421‧‧‧ Nuts

43‧‧‧second bearing

5‧‧‧Smart device

51‧‧‧Back cover

52‧‧‧foot board

53‧‧‧ Groove

91‧‧‧Rotational displacement motion

92‧‧‧linear displacement motion

Θ‧‧‧ opening angle

1 is a schematic structural view of a preferred embodiment of a shaftless hub of the present invention. 2 is an exploded perspective view of a preferred embodiment of the shaftless hub of the present invention. 3 is a schematic view showing the use of a preferred embodiment of the shaftless hub of the present invention. 4A to 4C are schematic views 1 to 3 of the operation of the preferred embodiment of the shaftless hub of the present invention.

Claims (7)

A pivotless hub is applied to a smart device disposed at a back cover of the smart device. The pivotless hub includes: a base including a bottom and two side walls, the two side walls respectively And extending from the bottom edge in a first direction, the two sidewalls respectively have a first sliding slot and a second sliding slot; a rotating body comprising an upper cover and two extending portions for the smart device a tripod plate is connected, and the two extension portions respectively extend from the edge of the upper cover in a second direction, the extension portion has a first shaft hole and a stopper, and the stopper is fixed to the first chute The rotating body is movable along the first chute to perform a rotational displacement movement; and a slider assembly includes a linking member, a first bearing and a second bearing, the linking member having a second shaft hole And a third shaft hole, the first bearing passes through the first shaft hole and the second shaft hole, so that the rotating body and the linking member are combined and pivoted, and the second bearing passes through the third shaft hole and Fastened in the second chute; wherein, when the rotating body is made When the rotational displacement movement, which can drive the second bearing to do a straight line displacement movement along the second chute. The shaftless hub according to claim 1, wherein the first bearing is a bolt and is locked with a nut, and the first bearing is adjusted to be tightly locked with the nut. To adjust the rotational resistance of the rotating body when the rotational displacement motion is performed. The pivotless hub of claim 1, wherein the upper cover includes a screw assembly for connecting the upper cover and the stand plate. The shaftless hub according to claim 1, wherein the shaftless hub is manufactured by a sheet metal stamping type. The shaftless hub of claim 1, wherein the first chute is a curved chute. The non-axis hub according to claim 1, wherein the second chute is a linear chute. The non-axis hub according to claim 1, wherein the smart device is a tablet computer or a mobile phone.